MCQ
$X$ is -


- ✓$CHO -(CH_2)_3 -CHO$
- B$CHO -(CH_2)_2 -CHO$
- C$CHO -(CH_2)_3 -CH_3$
- D$CHO -CHO$


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Reason : Cerium salts are used as catalyst in petroleum cracking.
$Hb{O_2} + {H_3}{O^ + }C{O_2} \rightleftharpoons \left( {{H^ + } - Hb - C{O_2}} \right) + {O_2} + {H_2}O$
Release of $O_2$ is favoured when there is
(Round off to the Nearest Integer).